Finding the Fourth Proportional to 598,992.42, 826,511.96 and 353,943.08
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Solution
The fourth proportional to 598,992.42, 826,511.96 and 353,943.08 is: 488,383.78
Step by Step Solution
- Step 1: Write the proportion equation
598,992.42 : 826,511.96 = 353,943.08 : x - Step 2: Convert to fraction form
598,992.42/826,511.96 = 353,943.08/x - Step 3: Cross multiply
598,992.42x = 826,511.96 × 353,943.08 - Step 4: Simplify right side
598,992.42x = 292,538,182,876.96 - Step 5: Solve for x
x = 292,538,182,876.96/598,992.42 - Step 6: Final answer
x = 488,383.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.